COMMUNICATION CONTROL DEVICE, COMMUNICATION CONTROL METHOD, COMMUNICATION SYSTEM AND COMMUNICATION TERMINAL Russian patent published in 2016 - IPC H04W16/14 

FIELD: communication.

SUBSTANCE: invention relates to mobile communication. Disclosed is a communication control device, comprising a power control unit configured to control transmission power of a secondary communication service, where part of secondary communication service is overlaid on primary communication service coverage. Power control unit increases transmission power of secondary communication service upon switching from subscriber identity module (SIM) information corresponding to first primary communication service to SIM information corresponding to second primary communication service in a terminal device using a communication service according to SIM information, selected by switching between a plurality of SIM information.

EFFECT: technical result is a more efficient use of frequency resources.

20 cl, 11 dwg